Instead, use the Windows
Firewall with Advanced Security tool, described next.
1. Open the Start menu, type wf.msc in the Search box and press Enter to
open the Windows Firewall with Advanced Security window, shown in
Figure 7-31.
2. Click the Inbound Rules category in the left pane, and then click New
Rule in the right pane to show the New Inbound Rule Wizard
(Figure 7-32).
Figure 7-30. Turn off Windows Firewall temporarily to see whether it is indeed causing
the problem
Secure Your Networked PC | 421
Networking and
Internet
Figure 7-31. The secret Windows Firewall with Advanced Security window lets you finetune
inbound rules, enable outbound rules, and even log firewall activity
Figure 7-32. The New Inbound Rule Wizard gives you much more control than the feeble
Windows Firewall window in Control Panel
422 | Chapter 7: Networking and Internet
3. For the Rule Type, choose one of the following:
Program
Use this to give a specific application free reign over your Internet
connection. This is the easiest way to fix an application that has been
broken by Windows Firewall??™s restrictions, but it can be risky if
you??™re not exactly sure how that application will use its new freedom.
Port
This option exposes a TCP/IP port (see Appendix B) that can be
used (read exploited) by any application.
Predefined
Choose this if you want to create a rule for a built-in Windows service.
Note that this selection doesn??™t start or stop the service, it only
instructs Windows Firewall to permit or block it; use the Services
window (services.
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